# 加法
def add(a, b):
    return int(a) + int(b)


# 减法
def sub(a, b):
    return int(a) - int(b)


# 乘法
def mul(a, b):
    return int(a) * int(b)


# 除法
def div(a, b):
    return int(a) / int(b)


# 整除
def exa(a, b):
    return int(a) // int(b)


# 取余
def rem(a, b):
    return int(a) % int(b)


# 开方
def sqrt(a, b):
    return int(a) ** (1 / int(b))


if __name__ == "__main__":
    result_add = add(1, 2)
    print(result_add)


    result_sub = sub(1, 2)
    print(result_sub)


    result_mul = mul(1, 2)
    print(result_mul)

    result_div = div(1, 2)
    print(result_div)

    result_exa = exa(1, 2)
    print(result_exa)

    result_rem = rem(1, 2)
    print(result_rem)

    result_sqrt = sqrt(1, 2)
    print(result_sqrt)